OpenTechnical

OT-2026-000043135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000043135) never changes.

Identity and time

Publication numberOT-2026-000043135 · never reused
Internal UUID01a0ae7b-327a-7815-85c7-f4768f6d2891 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043135
StatusPUBLIC

Content hashes

Canonical text105861cf6b75c5fe364d7610e7c4d9eade40aaaf7994af6207bce73a3ff5ce66
Markdownf1772861684d5a0ba67566847ca97d7c86d5e33530f3210137fb88a233832c96
PDF
Publication page45e755b8ebc7638a9d24acabe5fb3b607f23d9deb124ae295de31a7a7d437740
Manifest8851b70165c17c996c947b4588f9db6a80a22a4e106c7eae2f3f13c3b6ca844d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemQrQikIKZXWu0JwOaSG4xJQSbor0+L0Vn6CsTc2IfUupiFAulf6bHeEdVZDAxHnJjfuvFskMabt7ExYgLtSYDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:34.267580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043135
observed 45e755b8ebc7638a9d24acabe5fb3b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.247408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043135/manifest.json
observed 8851b70165c17c996c947b4588f9db6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.226554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043135/publication.md
observed f1772861684d5a0ba67566847ca97d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.205627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043135/publication.txt
observed 105861cf6b75c5fe364d7610e7c4d9ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.